Renovating in a historic district
Tens of thousands of NYC brownstones and townhouses sit inside designated historic districts — most of brownstone Brooklyn, large parts of Harlem and the Upper West Side, and beyond. That means the Landmarks Preservation Commission reviews exterior work, and sometimes more, before the DOB will issue permits. Owners hear this and expect months of bureaucracy. It doesn't have to be that way.
The secret to fast LPC approvals is simple: propose work the LPC approves easily. Like-for-like restoration with appropriate materials, correct profiles, and clean documentation routinely gets staff-level sign-off in weeks. Applications fail when contractors propose the wrong materials or can't document what they're matching. We've been doing landmark-district work since 2008 — we know what gets approved and we build the application around it.
What we handle
- LPC applications — permit applications, photo documentation, material specifications, and coordination with our partner architects for Certificate of No Effect and permit filings.
- Facade restoration — brownstone resurfacing, brick pointing, cornice and stoop restoration to historic profiles; see our facade restoration service.
- Windows and doors — LPC-appropriate replacement windows and restored or replicated entry doors.
- Interior renovation in landmark buildings — full brownstone renovations and gut renovations behind protected facades, including restoration of original plaster, millwork, and stairs.
- Rooftop and rear additions — designed with our architect partners for approvability: minimally visible, appropriately scaled, properly documented.
- DOB coordination — LPC approval is step one; we sequence DOB filings, inspections, and sign-offs so the two agencies never deadlock your project.
What landmark status actually costs you
Industry estimates put the premium for renovating in a landmark district at roughly 15–25% on affected scopes — driven by material requirements, documentation, and review timelines. Good planning claws much of that back: appropriate-by-default design avoids re-filings, and phasing work so interior scopes proceed while exterior approvals are pending keeps the schedule moving. We build both into every landmark project.
Why owners hire us for landmark work
Because approvals and construction are one job here, not two. The same team that writes the material spec for the LPC application is the team mixing the brownstone restoration coating on your facade. Nothing gets lost between the architect's promise and the contractor's execution — which is exactly where landmark projects usually go wrong.
Frequently asked questions
Do I need LPC approval for interior work?
Usually not for typical interiors — LPC jurisdiction mainly covers exteriors visible from the street, plus designated interior landmarks (rare in homes). But interior work that touches the facade — new window openings, rear extensions, rooftop additions — triggers review. We confirm exactly what applies to your property before filing anything.
How long does LPC approval take?
Like-for-like restoration work that meets LPC criteria can receive staff-level approval (such as a Certificate of No Effect or expedited permit) in a few weeks. Work requiring a public hearing — visible additions or non-historic alterations — takes several months. We design applications to qualify for staff-level review whenever possible.
What happens if previous owners did illegal work?
It's common — non-historic windows, altered stoops, removed cornices. The LPC generally works with owners to legalize or correct conditions, and restoring historic conditions is often the fastest path to approval. We document existing conditions and negotiate the scope as part of the application.
Is landmark renovation much more expensive?
Plan for roughly 15–25% more on exterior and visible scopes, driven by materials and process. Interior scopes behind the facade generally cost the same as in any other building. We itemize the landmark-driven costs in our estimate so you can see exactly what the district status adds.
Which historic districts do you work in?
All of them, across the five boroughs — with deep experience in the Brooklyn districts (Park Slope, Bedford-Stuyvesant, Crown Heights, Fort Greene, Clinton Hill, Carroll Gardens) and Manhattan's Harlem, Hamilton Heights, and Upper West Side districts.
Get a free on-site estimate
Speak directly with the owners — no salespeople, no pressure. We visit your property, walk the scope with you, and follow up with a detailed written estimate.
Request a Free EstimateMarek (917) 658-2047 Sebastian (917) 562-1257